Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RON M OREN MD
NPI 1366422438
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Naperville, IL

Q: What is Ron Oren's NPI number?

The NPI number for Ron Oren is 1366422438. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Q: What is Ron Oren's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Q: When was this NPI record last updated?

The NPPES record for Ron Oren was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 17, 2006PECOS EnrolledAccepts Medicare Assignment

801 S WASHINGTON ST FL 4, NAPERVILLE, IL 60540(630) 600-0700(630) 600-0701 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, May 5, 2026, Aug 11, 2025 and 6 more (9 updates tracked since 2019).

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About Ron M Oren Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RON M OREN MD (NPI 1366422438) is an individual advanced heart failure and transplant cardiology provider in Naperville, Illinois, licensed in Illinois (036130701) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1366422438

Entity TypeIndividualMale

Primary Taxonomy207RA0001X

Provider Legal NameRON M ORENCredential: MD

Location Address801 S WASHINGTON ST FL 4Naperville, IL 60540-7430

Mailing Address801 S Washington St Fl 4Naperville, IL 60540-7430 · (630) 600-0700 · Fax (630) 600-0701

Phone(630) 600-0700

Fax(630) 600-0701

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1986

Enumeration DateJanuary 17, 2006

Last NPPES UpdateSeptember 29, 20269 updates tracked since enumeration

NPPES CertifiedMay 5, 2026

✔ NPI 1366422438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0001X

License✔ Licensed in IL · 036130701

Definition

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 628 (WI), MD-27129 (IA), 036-130701 (IL), 01097002A (IN)

801 S WASHINGTON ST FL 4, Naperville, IL 60540

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Secondary Practice Locations 5

Location 1202 10th St SE Ste 225Cedar Rapids, IA 52403-2419 · Phone (319) 364-7101

Location 21818 N Meade StAppleton, WI 54911-3454 · Phone (920) 731-8900

Location 31404 Cross St Ste 2940Shiloh, IL 62269-2988 · Phone (618) 607-3700 · Fax (618) 624-4841

Location 41201 Michigan Ave Ste 50Logansport, IN 46947-1580 · Phone (574) 753-1407 · Fax (574) 753-1489

Location 5225 Smith Ave NSaint Paul, MN 55102-2533 · Phone (651) 290-0133 · Fax (651) 241-2910

Other Identifiers 5

Other45321Wellmark

Other71960Medicare Group

OtherP00253031Rr Medicare

OtherCA3899Rr Medicare Group

Medicaid1299560IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ron M Oren Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395761134

PECOS Enrollment IDI20200122000995

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ron Oren reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Hospital

Same address

General Acute Care Hospital

801 S WASHINGTON ST
Naperville, IL 60540

Reassigned Medicare billing, Illinois enrollment
268 clinicians in this Medicare group

NPI 1013969013 (630) 655-0450

Naperville Psychiatric Ventures

0.4 mi

Psychiatric Hospital

801 S WASHINGTON ST
Naperville, IL 60540

Reassigned Medicare billing, Illinois enrollment
61 clinicians in this Medicare group

NPI 1871628362 (630) 305-5500

Rockford Health Physicians

57 mi

Multi-Specialty

8201 E RIVERSIDE BLVD
Rockford, IL 61114

Reassigned Medicare billing, Illinois enrollment
1,375 clinicians in this Medicare group

NPI 1043242886 (608) 314-2428

Froedtert Manitowoc Medical Group, LLC

163 mi

Multi-Specialty

2300 WESTERN AVE
Manitowoc, WI 54220

Reassigned Medicare billing, Wisconsin enrollment
350 clinicians in this Medicare group

NPI 1437829975 (920) 320-2436

St. Luke's Methodist Hospital

182 mi

Cardiovascular Disease

1026 A AVE NE, SUITE 5000
Cedar Rapids, IA 52402

Reassigned Medicare billing, Iowa enrollment
Medicare enrollment name: St Lukes Methodist Hospital
166 clinicians in this Medicare group

NPI 1184737876 (319) 368-5757

Fairview Heights Medical Group Sc

248 mi

Multi-Specialty

660 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141

Reassigned Medicare billing, Illinois enrollment
507 clinicians in this Medicare group

NPI 1073022000 (314) 996-7644

Mankato Clinic Ltd

339 mi

Family Medicine

1230 E MAIN ST
Mankato, MN 56001

Reassigned Medicare billing, Minnesota enrollment
322 clinicians in this Medicare group

NPI 1629044029 (800) 657-6944

Nuview Health Indiana PC

1,155 mi

Critical Care Medicine

1825 NW CORPORATE BLVD STE 105
Boca Raton, FL 33431

Reassigned Medicare billing, Indiana enrollment
50 clinicians in this Medicare group

NPI 1215496336 (561) 299-3667

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

207 services167 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

146 services146 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

110 services96 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

106 services106 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

90 services57 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

64 services62 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

47 services45 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

30 services30 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

30 services30 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

22 services21 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

12 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital

Acute Care Hospitals · Logansport, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150072

Location1101 Michigan AveLogansport, IN 46947 · Cass County

Emergency services Birthing friendly

Holy Family Memorial

Acute Care Hospitals · Manitowoc, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number520107

Location2300 Western AveManitowoc, WI 54221 · Manitowoc County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIA ROSA COSTANZO MD

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)